Although sampling errors inevitably lead to analytical errors, the importance of sampling is often overlooked. The main purpose of this book is to enable the reader to identify every possible source of sampling error in order to derive practical rules to (a) completely suppress avoidable errors, and (b) minimise and estimate the effect of unavoidable errors. In short, the degree of representativeness of the sample can be known by applying these rules. The scope covers the derivation of theories of probabilistic sampling and of bed-blending from a complete theory of heterogeneity which is based on an original, very thorough, qualitative and quantitative analysis of the concepts of homogeneity and heterogeneity. All sampling errors result from the existence of one form or another of heterogeneity. Sampling theory is derived from the theory of heterogeneity by application of a probabilistic operator to a material whose heterogeneity has been characterized either by a simple scalar (a variance: zero-dimensional batches) or by a function (a variogram: one-dimensional batches). A theory of bed-blending (one-dimensional homogenizing) is then easily derived from the sampling theory. The book should be of interest to all analysts and to those dealing with quality, process control and monitoring, either for technical or for commercial purposes, and mineral processing. Although this book is primarily aimed at graduates, large portions of it are suitable for teaching sampling theory to undergraduates as it contains many practical examples provided by the author's 30-year experience as an international consultant. The book also contains useful source material for short courses in Industry.
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Editorial Reviews
Review
...Pierre Gy has laid a solid foundation for sampling theory upon which further developments and new applications in this important field can be based. -- Chemometrics and Intelligent Laboratory Systems
...a major tour de force by a master of his subject. -- Minerals Industry International
...a major tour de force by a master of his subject. -- Minerals Industry International
...should be present in all analytical libraries for consultation... -- Analytica Chimica Acta
I cannot emphasize enough that everyone connected with environmental sampling should read this book. ...I am hard-pressed to recommend any other books that could begin to adequately address particulate-material sampling problems. -- Technometrics
...a major tour de force by a master of his subject. -- Minerals Industry International
...a major tour de force by a master of his subject. -- Minerals Industry International
...should be present in all analytical libraries for consultation... -- Analytica Chimica Acta
I cannot emphasize enough that everyone connected with environmental sampling should read this book. ...I am hard-pressed to recommend any other books that could begin to adequately address particulate-material sampling problems. -- Technometrics
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Inside This Book
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Key Phrases - Statistically Improbable Phrases (SIPs):
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variographic experiment, delimitation correctness, time sampling ratio, output variogram, variographic parameters, sampling rail, sampling correctness, cyclic variogram, average critical content, sill vos, constitution heterogeneity, extraction correctness, unknown critical content, correctly delimited increment, sampling for commercial purposes, heterogeneity invariant, fractional shovelling, correct increment delimitation, sampling reject, input variogram, sampling cutter, alternate shovelling, given sampling stage, simple handling technique, constitution homogeneity Key Phrases - Capitalized Phrases (CAPs): (learn more)
Analytical Chemistry, Positive Negative Positive Conclusion, Left Hl----Tr, Right Belt, Top Particle Size, Commercial Equity, Complementary Test Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Index | Surprise Me!
variographic experiment, delimitation correctness, time sampling ratio, output variogram, variographic parameters, sampling rail, sampling correctness, cyclic variogram, average critical content, sill vos, constitution heterogeneity, extraction correctness, unknown critical content, correctly delimited increment, sampling for commercial purposes, heterogeneity invariant, fractional shovelling, correct increment delimitation, sampling reject, input variogram, sampling cutter, alternate shovelling, given sampling stage, simple handling technique, constitution homogeneity Key Phrases - Capitalized Phrases (CAPs): (learn more)
Analytical Chemistry, Positive Negative Positive Conclusion, Left Hl----Tr, Right Belt, Top Particle Size, Commercial Equity, Complementary Test Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Index | Surprise Me!
Citations (learn more)
2
books
cite this book:
- Analytical Chemistry by Gary D. Christian on page 18
- Chemometrics in Environmental Analysis by J?rgen W. Einax on page 19
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